Finding the Fourth Proportional to 11,810,778.84, 16,298,875.22 and 6,378,270.84
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Solution
The fourth proportional to 11,810,778.84, 16,298,875.22 and 6,378,270.84 is: 8,802,013.98
Step by Step Solution
- Step 1: Write the proportion equation
11,810,778.84 : 16,298,875.22 = 6,378,270.84 : x - Step 2: Convert to fraction form
11,810,778.84/16,298,875.22 = 6,378,270.84/x - Step 3: Cross multiply
11,810,778.84x = 16,298,875.22 × 6,378,270.84 - Step 4: Simplify right side
11,810,778.84x = 103,958,640,508,633.23 - Step 5: Solve for x
x = 103,958,640,508,633.23/11,810,778.84 - Step 6: Final answer
x = 8,802,013.98
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.